Fluid-operated engine.



1 E. REO TOR. FLUID OPERATED ENGINE. I APPLICATION TILED NOV.Z, 1908.RENEWED AUG. 1, 1912.

1,060,125, I Patented Apr. 29, 1913.

6 SHEETS-SHEET 1f E. REOTOR.

FLUID OPERATED ENGINE. APPLICATION FILED NOV 2, 190a. RENEWED AUG. 1,1912.

Patentd Apr. 29, 1913.

yggyooao: I a? A" agitate; MM E COLUMBIA PLANOGRAPH :0 WASHINGTON, D. c.

E. REOTOR.

FLU-ID OPERATED ENGINE. APPLICATION FILED Nov. 2, 190B. RENEWED AUG. 1,1912.

6 SHEETS-SHEET 3.

@I I V 1 Matte 1' v fimm A 3 a! COLUMBIA PLANOGRAPH c0 WASHINGTON, n. c,

MW. W

E. RBGTUR.

FLUID OPERATED ENGINE. APPLIGATION FILED Nov, 1908. RENEWED AUG. 1,1912.

1,060,125. Patented Apr. 29, 1913.

6 SHEETSSHEET 4.

cOLUMBIA PLANOURAPl-l 60., wAsHlNu'roN, D4 c,

Patented Apr. 29, 1913.

6 SHEETS-SHEET 5.

E. HECTOR.

FLUID OPERATED ENGINE.

APPLICATION FILED NOV 2, 190a. RENEWED AUG. 1, 1912.

COLUMBIA PIANOGRAPH c0.,wAsH|NGTDN, D, c.

E. REOTOR.

FLUID OPERATED ENGINE.

APPLICATION FILED NOV 2, 1908 RENEWED AUG. 1' 1912. 1 ,0 0, 1 25,Patented Apr. 29, 1913.

6 BHEETS-SHEET 6.

TTNTTE ENOGH REOTOR, OIEYNEW YORK,

OF NEW YORK.

nip.

N. Y., ASSIGNOR, BY DIRECT AND MESNE ASSIGN- MENTS, TO HECTORENGINECORPORATION,

OF NEW YORK, N. Y., A CORPORATION FLUID-OPERATED ENGINE.

Application filed November 2, 19GB, Serial No. 460,790. Renewed August1, 1912. Serial No. 712,778.

To all whom it may concern:

Be it known that I, ENOOH Rno'ron, a citizen of the United States,residing in the borough of Manhattan, city of New York, county of NewYork, and State of New York, have invented certain new and usefulImprovements in Fluid-Operated Engines, of which the following is aspecification, reference being had to the accompanying drawings, forminga part hereof.

My invention relates to an engine wherein the motor or driving member isactuated by a liquid under pressure of steam or other fluid, andparticularly to an engine wherein the liquid employed may be heated to ahigh degree of temperature and is forced against the driving member witha substantially uniform velocity.

The invention also consists in the new and novel features ofconstruction and combinations of parts hereinafter set forth andclaimed.

In the accompanying drawings Figure 1 represents an exterior view inside elevation of my improved mechanism. Fig. 2 represents an end.elevation, the housing being broken away to show the valve operatingmotor. Fig. 3 represents an interior side view, the frame and reservoirsbeing in section. Fig. 4 represents an interior end view, the frame andmain valve being in section. Figs. 5 and 6 represent the fluid valve andthe lever for operating same respectively. Fig. 7 represents a detailview partly in section showing the reversing valve for controlling theliquid supply to the motor. Fig. 8 represents a sectional view of theliquid supply pipe. Fig. 9 is a diagram matic view illustrating certainfeatures of the construction and the operation of my improved engine.

Referring to the drawings which represent one form of apparatusembodying my invention, the driving member, motor or wheel 1 ispreferably an impulse or impulse and reaction wheel, such, for example,as the Pelton water wheel, and is mounted upon an arbor 2 rotatable insuitable bearings 3 provided in the frame 4. A pinion 5 is keyed uponthe arbor at one end and meshes with a gear 6 upon a driving shaft 7which is likewise mounted in bearings 8 provided in the frame. Thedriving motor or wheel is contained in a pit or wheel house formed bythe housing 9, which communicates through valve controlled passages oropenings 10 with two or more reservoirs or blow tanks 11 adapted tocontain the liquid employed for driving the motor. Each of the mainvalves 12 controlling a passage or opening from the wheel pit or housingto the reservoirs is provided with a hollow stem 13 movable in bearings14 formed integral with the valve seat 15 and said stem in turn forms abearing'for the stem 16 of an auxiliary valve 17 which engages with avalve seat 18 provided in the face 19 of the main valve. The upper orfree end of the auxil iary valve stem ext-ends above the main valve stemas at 20 and is provided with a cap or collar 21 operatively engaged bya finger 22 secured to or formed integral with a block 23 pivoted to theframe and preferably made in two parts pivoted to each other as at 24and yieldingly held together by a spring 25 to permit suitableadjustments beng made and to prevent breakage through improperadjustments. A spring 26 between the stem of the main valve and the stemof the auxiliary valve normally tends to hold the auxiliary Valve in itsopen position. V v

Both the main valve and the auxiliary valve are actuated from a camshaft 27 having a cam 28 thereon which engages a roller 29 mounted uponan arm 30 pivoted as at 24 to the block 23. This cam shaft 27 is mountedin bearings 31 provided in the frame or housing and is actuated by atrain of gears 32 from an arbor 33. A valve controlling and governingmotor 34, preferably a small wheel of the Pelton type, is mounted onsaid arbor and is driven by fluid conveyed from the reservoirs throughpipes 35. A governor 36 is secured to the end of the arbor which may beof any well known construction, but preferably said governor com prisesa disk 37 movable upon the arbor and secured to springs 38 havingweights 39 attached thereto. Said disk is adapted to en gage with abrake 40 provided at one end of a bell crank lever 41 pivoted to theframe and adjustable by means of a thumb screw 42, so that the-speed ofthe motor 34 may be readily controlled.

Steam or other elastic fluid under pres- Patentcd Apr. 29, 1913..

sure is admitted to the reservoirs through supply pipes 43 provided withvalves 44 therein. These valves may be ordinary puppet or slide valvesor of any well known construction and are actuated by cams 45 upon thecam shaft 27 which engage with levers 46 that are operatively connectedwith said valves. The outlets 47 of the steam supply pipes are arrangedcentrally near the top of the reservoirs and are directed upward so thatthe incoming steam will be ejected against the tops of the reservoirs orthe faces of the main and auxiliary valves. The outlet also forms a stopto the downward movement of the auxiliary valve which seats over theoutlet while liquid is being delivered to the reservoir and prevents theliquid from entering the fluid pipe.

Preferably two similar wheels ormotors are mounted upon the arbor 2, thewheel 1 being for the forward drive and the wheel. 1 being for thereverse drive. The liquid in the reservoirs is conducted to the wheelsor motors by pipes 4-8 and 48 for the forward and reverse drivesrespectively, which are provided with nozzles 4.9 arranged adjacent tothe periphery of the wheels or motors. Both the pipes 48 for the forwarddrive and the pipes l8 for the reverse drive communicate with theinterior of the reservoirs through common pipes 50 provided With valves51 so constructed that the flow is diverted gradually and without shockor jar from either set of pipes to the other and so that the two streamswill counterbalance each other when the valves are in their halfwaypositions. The inlet 52 of each pipe 50 is arranged near the bottom ofthe res ervoir and if desired both the outlet of the steam supply pipeand the intake of the liquid supply pipe may be formed in the samecasting. The valves 51 which control the direction of the flow of theliquid may be operated in any suitable manner as by a lever 53 connectedto a handle 54 placed at any convenient location.

In order that liquid may be forced against the driving wheel at asubstantially uniform velocity one or more auxiliary inlets or nozzles55 are arranged in each supply pipe to supply fluid under pressure fromthe reservoir to the column of liquid in the supply pipe. Said nozzlescommunicate wit-h the interior of the corresponding reservoir by anysuitable means as, for example, by a pipe 56 secured to or formedintegral with a pipe or head 57 within the reservoir. The bottom of saidpipe or head is closed and is at or approximately at the level of theinlet opening of the main supply pipe, and the lower portion thereof,preferably that portion normally below the level of the liquid suppliedto the reservoir, is provided with a plurality of small openings 58 orwith a characteristics.

single extremely small opening arranged to be successively or graduallyuncovered as the liquid in the reservoir is forced out un der pressureof the fluid admitted therein. The auxiliary nozzles or inlets arepreferably arranged at or near the nozzles on the main supply pipe andsupplied from a common passage 59, but said inlets or nozzles may bearranged at anyot-her point in the supply pipe if desired. Althoughthese auxiliary nozzles are shown in the drawings as applied only to thesupply pipes for the forward driving Wheel or motor, it is obvious thatthey may be added to the supply pipes of the reverse driving wheel ormotor and to the pipes supplying the valve cont-rolling motor.

In order to drive the motors a liquid is employed which is insoluble insteam under lngh pressure and which retams a high degree of heat withoutinjury. Preferably I employ a liquid parafiin such as petrolatum or asimilar liquid possessing the above Heretofore water and cer- :tain oilshave been used or attempted for driving motors, but water will notattain athe desired degree of heat and the oils are readily emulsified.Various metals have :also been used, but these are obviouslyungdesirable because of the length of time re @quired to melt same andbecause they clog ,the bearings and the working parts of the Emachine. 4The operation of the engine is as follows: The desired quantity ofliquid is supplied to the reservoirs and the valve controlling mo- ;tor34: is then started in any desired manfner, for example, by steamadmitted through an independent steam inlet 60, as shown in Fig. 3. Thiscauses the cam shaft 27 to rotate and as the cams are arranged so thatthe valves 44 will admit the steam or other fluid to said reservoirsalternately {and immediately after each has been filled, fa column ofliquid will be forced out of the ireservoir first supplied with fluidand against the driving motor through the pipes 48 and the nozzle 49. Asthe column of liquid passes out of the reservoir under pressure of thesteam or other fluid the opening or openings 58 which supply theauxiliary nozzles or inlets 55 are gradually exposed and the steam orother fluid passes through them into the main supply pipe and subdividesthe solid column of liquid contained therein into small masses or particles and, therefore, by its expansion, greatly accelerates the flow ofthe particles through the main nozzle. As the liquid is gradually forcedout of the reservoir and the pressure becomes less and less the quantityof fluid. supplied to the auxiliary nozzles 56 is correspondinglyincreased so that the velocity of flow through the main nozzle is voiruntil the pressure falls below a predetermined amount, for example, tenpounds, when the auxiliary valve opens under the influence of the spring26, thus opening the reservoir to the atmosphere and permitting thesteam remaining in said reservoir to escape. The pressure being thusentirely relieved the main valve falls by gravity to its lowermostposition shown in dotted lines, Fig. 3, thus fully opening the reservoirto the atmosphere and allowing the liquid contained in the wheel houseor pit to flow into the reservoir. This operation takes placesuccessively with respect to each reservoir, and since the nozzles 49 ofthe supply pipes are arranged to play upon the motor atdifl'erent anglesand since the operation of the valves may be timed as desired, acontinuous stream of liquid can be forced against the motor. To reverse,the lever 54, which controls the valves 51, is actuated and the streamof liquid is gradually diverted from one motor to the other.Consequently the engine is available for use under all conditionsrequiring an engine which will operate with the same eficiency both inthe forward and reverse directions. Since both forward and reversemotors are on the same shaft the engine may be stopped by leaving thevalves in their half way position as the two streams will balance eachother. As soon as the pressure is admitted to the reservoirs liquid isalso forced against the valve controlling motor which operates the sameand the additional or starting steam jet may be cut off.

By this construction and particularly by the arrangement which permitsthe column of liquid to be broken up into small particles by fluidadmitted from the reservoirs, thereby utilizing steam energy which couldnot be practically and economically used in forcing a solid column ofliquid through the main nozzle, the eflective ratio of expansion is veryhigh, and the cost of operation is correspondingly reduced.

The parts may be cast of metal, requiring practically no machine work,careful fitting or accurate adjustment, and may be easily and readilyassembled. The use of packing and stufling boxes is also dispensed withand the engine may be operated without lubricants since the liquidemployed for operating the engine serves this function. The engine isunder accurate and immediate control at all speeds and may be reversed,even when running at the highest speed, without any shock or jarwhatsoever, since the streams of liquid oppose and counterbalance eachother until the reverse movement is accomplished.

Although I have shown a Pelton wheel employed as a motor, it is obviousthat other forms of motors or liquid or hydraulic engine may beemployed.

It is obvious also that water or other liquid may be used instead ofpetrolatum, but I prefer the latter because of its many superioradvantages under the conditions of use.

Various other changes within the skill of the mechanic may be made inthe construction of the mechanism herein shown and described withoutdeparting from the spirit of the invention, provided the means recitedin the following claims be employed.

I claim as my invention:

1. In a fluid operated engine using the fluid expansively, thecombination of a motor, a liquid for driving said motor, means forsubjecting the body of liquid to the pressure of the fluid andsupplementary means for forcing particles of said liquid against themotor at a substantially uniform velocity.

2. In a fluid ope-rated engine using the fluid expansively, thecombination of a motor, a liquid for driving said motor, means forsubjecting said liquid to pressure and for dividing said liquid intoparticles while under pressure.

3. In a fluid operated engine using the fluid expansively, thecombination of a motor, a liquid under pressure of a fluid for drivingsaid motor, and means for forcing fluid into a portion of said liquidwhile under pressure.

4. In a fluid operated engine, the combination of a motor, a liquidunder pressure of a fluid for driving said motor, and means forintroducing a portion of the fluid into a portion of the liquid whileunder the pressure of the remaining portion of said fluid.

5. In a fluid operated engine, the combination of a motor, a body ofliquid under pressure of a fluid, a column of liquid communicating withsaid body of liquid for operating said motor, and means for introducingfluid under equal pressure into said column of liquid.

6. In a fluid operated engine, the combination of a motor, a liquidunder pressure of a fluid for driving said motor, means for forcing aportion of said fluid into the liquid, and means to prevent expansion ofsaid portion of fluid until the liquid is released from pressure.

7. In a fluid operated engine, the combination of a motor, a liquid fordriving said motor, a fluid for exerting pressure on the body of liquidand for dividing said liquid into particles while under pressure, andauxiliary means for driving the particles against the motor at asubstantially uniform velocity.

8. In a fluid operated engine, the combination of a motor, a liquid fordriving said motor, means for forcing said liquid against the motor andseparate means for dividing said liquid into particles and driving saidparticles against the motor.

9. In a fluid operated engine, the combination of a motor, a liquid fordriving said motor, means for forcing said liquid against the motorunder normally decreasing pressure, and auxiliary means for forcing saidliquid against the motor at a substantially uniform velocity.

10. In a fluid operated engine, the combination of a motor, a liquid fordriving said motor, means for forcing said liquid against the motorunder normally decreasing pressure, and auxiliary means for forcing theliquid against the motor under correspondingly increasing pressure.

11. In a fluid operated engine, the combination with a motor, of meansfor forcing a column of liquid into contact with said motor underdecreasing pressure, and means for forcing a gradually increasingquantity of fluid under pressure into said column of liquid.

12. In a fluid operated engine, the combination of a motor, a reservoircontaining liquid for driving said motor, a fluid pressure supplyconnected with said reservoir for forcing a column of said liquidagainst the motor under normally decreasing pressure, and auxiliarymeans for supplying a gradually increasing quantity of fluid from saidreservoir to said column of liquid.

13. In a fluid operated engine, the combination of a motor, a reservoirto Contain a liquid for driving said motor, a liquid supply pipe fromthe reservoir to the motor, means for admitting fluid under pressureinto the reservoir, and means for admitting fluid under pressure fromsaid reser voir into said supply pipe.

1 1. In a fluid operated engine, the combination of a motor Wheel, areservoir containing a liquid for driving said wheel, a liquid supplypipe from the reservoir to the wheel, means to admit fluid underpressure into the reservoir, and an auxiliary pipe betewen saidreservoir and the supply pipe to convey a gradually increasing quantityof said fluid under pressure from the reservoir into said supply pipe.

15. In a fluid operated engine, the combination of a motor wheel, areservoir containing a liquid for driving said Wheel, a pipe providedwith a nozzle for supplying liquid from the reservoir to the wheel, a

bination of a motor, a reservoir, means for supplying petrolatum andheated vapor under pressure to said reservoir, and means for forcingsaid petrolatum against the motor under pressure of the heated vapor.

17. In a fluid operated engine, the com bination of a motor, areservoir, means for supplying petrolatum and steam under pressure tosaid reservoir, means for forcing a column of petrolatum against themotor under pressure of the steam, and separate means for supplyingsteam to said column of petrolatum.

18. I11 a fluid operated engine, the combination With a reservoir, ofmeans for supplying liquid to said reservoir and means controlling saidsupply comprising a main valve, and an auxiliary valve formed in themain valve.

19. In a fluid opera-ted engine, the combination with a reservoir, ofmeans for. supplying liquid to said reservoir, means for supplying fluidunder pressure to sald reservoir, and means comprising a main valve andan auxiliary valve to admit liquid to said reservoir and to exhaust thefluid therefrom respectively.

20. In a fluid operated engine, the combination of a plurality ofreservoirs, means for supplying liquid to said reservoirs,

valves for controlling the supply of liquid to the said reservoirs, andan auxiliary motor for operating said valves.

21. In a fluid operated engine, the combination of a plurality ofreservoirs, means for supplying liquid to said reservoirs, means forsupplying fluid under pressure to said reservoirs in succession, andmeans for controlling the supply of fluid and liquid to said reservoirscomprising valves and an auxiliary motor to operate said valves.

22. In a fluid operated engine, the combination of a reservoir, a liquidinlet to said reservoir, a valve controlling said inlet, and a fluidoutlet in the reservoir arranged to be closed by said valve While liquidis being admitted to the reservoir.

23. In a fluid operated engine, the combination with a Wheel house and areservoir having a passage between them, of a valve in said passageprovided with a hollow stem, and an auxiliary valve seating in the faceof the main valve and having its stem movable in the stem of the mainvalve.

24. In a fluid operated engine, the combi:

nation of a wheel house, a motor mountedtherein, a reservoir containinga liquid to operate said motor, and a passage between said wheel houseand reservoir, of a valve in said passage having a hollow stem, anauxiliary valve seating in the face of the main valve and having itsstem movable in the stem of the main valve, and means for opening saidauxiliary valve against pressure in the reservoir.

25. In a fluid operated engine, the combination with a wheel house, areservoir and a passage between said wheel house and reservoir, of avalve in said passage provided with a hollow stem adapted to open bygravity when pressure in the reservoir is released, and means forclosing said valve with a yielding pressure.

26. In a fluid operated engine, the combination of a wheel house, areservoir, a passage between said house and reservoir, a valve in saidpassage provided with a hollow stem, an auxiliary valve seating in theface of the main valve and having a stem movable within the stem of themain valve, means for opening said auxiliary valve against pressureinthe reservoir, means for closing the auxiliary valve, and means on theauxiliary valve engaging the main valve to close the same.

27. In a fluid operated engine, the combination of a wheel house, areservoir, a passage between said wheel house and reservoir, and abushing in said passage forming a valve seat and having a bearing for avalve stem formed integral therewith, of a valve engaging said seat andprovided with a hollow stem movable in said bearing, an auxiliary valveseating in the face of the main valve and provided with a stem movablein the stem of the main valve and extending beyond the same, means forpositively opening the auxiliary valve to relieve pressure in thereservoir and permit the main valve to open by gravity, means yieldinglyengaging the stem of the auxiliary valve to close the same, and means onthe auxiliary valve to close said main valve.

28. In a fluid operated engine, the combination of a wheel house, areservoir, an opening between the wheel house and the reservoir, a valvein said opening comprising a main valve and an auxiliary valve, meansfor opening said auxiliary valve against pressure in the interior of thereservoir, and a steam outlet in the reservoir arranged to form a stopfor said valve in its open position.

29. In a fluid operated engine, the combination of a reservoir connectedwith a source of liquid and of elastic fluid supply, a cam shaft, aseparate motor for rotating said cam shaft, and means operativelyconnected with said cam shaft controlling the supply of fluid and liquidto the reservoir.

80. In a fluid operated engine, the combination of a reservoir tocontain liquid for operating a motor, means for supplying liquid andfluid under pressure to said reservoir, a cam shaft, a separate motorwheel normally actuated by a liquid from said reservoir for rotatingsaid cam shaft, independent means for actuating said motor wheel, andmeans operatively connected with the cam shaft controlling the supply ofliquid and fluid to said reservoir.

31. In a fluid operated engine, the combination with a main drivingwheel, a reservoir to contain. liquid for operating said wheel, andmeans for supplying liquid and fluid under pressure to said reservoir,of a cam shaft, a separate motor wheel for rotating said cam shaft, agovernor for said motor wheel, and means operatively connected with saidcam shaft controlling the supply of liquid and fluid to said reservoir.

32. In a fluid operated engine, the combination with a motor wheel, ofaplurality of reservoirs containing liquid for operating said motorwheel, means for supplying fluid under pressure and drawing orexhausting it from each of said reservoirs in succession, an auxiliarymotor wheel driven by liquid forced from said reservoirs andconnections,

whereby said auxiliary motor controls the distribution to and from saidreservoir.

33. In a fluid operated engine, the combination with a plurality ofreservoirs to contain liquid for operating a plurality of motor wheels,a fluid pressure supply, means connecting and disconnecting said supplyto and from said reservoirs in succession and means permitting escape ofthe fluid from the reservoir while the liquid is under compression.

34. In a fluid operated engine, the combination with a plurality ofreservoirs to con tain liquid for operating a plurality of motor wheels,means for supplying liquid and fluid under pressure to said reservoirsin succession, means permitting escape of the fluid from the reservoirwhile the liquid is under compression, and means for returning theliquid to said reservoirs.

35. In a fluid operated engine, the combi nation with a plurality ofmotor wheels, of

a plurality of reservoirs to contain fluid for operating said motorwheels, a fluid pressure supply communicating with said reservoirs,means for connecting and disconnect-ing said pressure supply to and fromsaid reservoirs in succession, means for drawing a portion of the fluidfrom said reservoir while the liquid is under compres sion and means forperiodically opening each of said reservoirs to the atmosphere.

36. In a fluid operated engine, the combination with a plurality ofmotor wheels, of a plurality of reservoirs to contain liquid foroperating said motor wheels, means for said reservoirs and exhaustingsame therefrom alternately, means for drawing a portion of the fluidfrom the reservoir while the liquid is under compression, means forreturning liquid from the motor wheels to said reservoirs in succession,means for opening said reservoirs singly and periodically to theatmosphere, and separate means controlling the distribution of liquidand fluid to and from said reservoirs.

38. In a fluid operated engine, the combination of a driving wheel and amain reverse wheel, means for forcing a column of liquid against saidwheels, and means, for gradually decreasing the quantity of liquidagainst one wheel and correspondingly increasing the quantity of liquidagainst the other wheel.

39. In a fluid operated engine, the combination of a driving wheel and areverse wheel, a reservoir adapted to contain liquid for driving saidmotor and provided with a liquid outlet, means for forcing the liquidthrough said outlet, a nozzle arranged on one side of the forward wheeland a nozzle on the opposite side of the reverse wheel and bothconnected with said liquid outlet pipe, and means in said pipe forgradually diverting the liquid from one of said nozzles to the othernozzle.

40. In a fluid operated engine, the combination of a driving wheel and areverse wheel, a reservoir adapted to contain liquid for operating saidengine and provided with a liquidoutlet, a plurality of nozzlescommunicating with said outlet pipe and arranged part on one side of theforward wheel and part on the opposlte s1de of the reverse wheel, meansfor forcing l1qu1d through said nozzles, and means whereby liquid may besupplied to all of said nozzles simultaneously, or the quantity suppliedto each motor may be regulated as desired.

41. In a fluid operated engine, the combination of a housing, aplurality of reservoirs opening into said housing, valves having stemsprojecting into said housing and a 1'0- tating cam coacting with saidstems to open said valves.

42. In a fluid ope-rated engine, the combination of a housing, aplurality of reservoirs opening into said housing and adapted to containliquid and an elastic fluid, valves controlling the supply of liquid andfluid to said reservoirs provided with stems projecting in said housing,and rotating cams coacting with said stems to open said valves.

43. In a fluid ope-rated engine, the combination of a housing, reverselyacting motor wheels mount-ed in said housing, a plurality of reservoirsconnected with said housing and adapted to contain liquid and an elasticfluid, a set of pipes leading from each reservoir to each of saidmotors, valves for controlling the supply through said sets of pipes,and means for actuating said valves simultaneously.

44:. In a fluid operated engine, the combination of a housing, reverselyacting motor wheels in said housing, a plurality of reservoirscommunicating with said housing and adapted to contain liquid and anelastic fluid, valves for controlling the supply of liquid and fluid insaid reservoirs provided with stems projecting into the housing, a

rotatable cam shaft mounted in the housing and providedwith camsengaging said valve stems to actuate said valves, and a separate motorwheel in said housing to rotate said cam shaft.

This specification signed and witnessed this 21st day of October, A. D.,1908.

ENOGH HECTOR.

Si ned in the resence of MARGARET IV. Bns'r, AMBROSE L. OSHEA.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner 01' Patents. Washington, D. C.

